An Ab initio study of heterodienophiles addition to 2,3-diaza- 1,3-butadiene: an example of endo-lone-pair effect on the reaction energy barrier

B. Jursić, Z. Zdravkovski, An Ab initio study of heterodienophiles addition to 2,3-diaza- 1,3-butadiene: an example of endo-lone-pair effect on the reaction energy barrier, Journal of Computational Chemistry, 17, 298–305 (1996).